On a hot and muggy morning in late June, a dynamic assembly of environmentalists, parents, firefighters, worker’s health advocates, and others piled into Hearing Room 222 of the Massachusetts State House. The issue that brought all these folks together: toxic flame retardants in kid’s products and household furniture. Flame retardant chemicals have been flying under the radar for decades. Parents, medical professionals, health advocates, legislators, and others tried to nip the flame retardants issue in the bud during the 70’s…